Multiple Choice
In E. coli when tryptophan is present in the environment,
A) the tryptophan operator will break down tryptophan.
B) the tryptophan-repressor protein will be unable to bind to the tryptophan operator.
C) tryptophan will bind to a repressor protein.
D) the tryptophan-repressor protein will be unable to bind to tryptophan.
Correct Answer:

Verified
Correct Answer:
Verified
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